public static async Task <PayrollViewModel> CreateAsync(
DateTime from,
DateTime to,
string employeeId,
IPayrollService services,
IMapper mapper)
{
var model = await PayrollViewModel.CreateAsync(services);
var employees = await services.GetEmployeesWihtPayrolls(employeeId);
var employeessWithFilteredPaycheks = services.FilterEmployeesPaycheksByDate(from, to, employees);
model.Employees = mapper.Map <IEnumerable <Employee>, IEnumerable <EmployeeViewModel> >(employeessWithFilteredPaycheks);
model.From = from;
model.To = to;
model.TotalPaycheksSum = employees.Sum(e => e.Paycheks.Select(p => p.Total).Sum());
model.TotalPaymentsSum = employees.Sum(e => e.Paycheks.Select(p => p.GetPaidAmount()).Sum());
model.TotalDiffrenceToBePayed = model.TotalPaycheksSum - model.TotalPaymentsSum;
return(model);
}